Kessels, J. (april 1994). De organisatie van het leren. (interne publicatie)

Kessels, J. (april 1994). De organisatie van het leren. (interne publicatie) (Publication)

Kessels, J. W. M. (1994). Competency-based Training of Radiotherapy Technicians in a Simulated Environment.

Kessels, J. W. M. (1994). Competency-based Training of Radiotherapy Technicians in a Simulated Environment. (Publication)

Kessels, J. W. M. (1994). De organisatie van het leren. Gids voor Personeelsmanagement, (5), 39. (Publication)

Kessels, J., & Smit, C. (1983). Training as an instrument for innovation. (Publication)